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Finding the Fourth Proportional to 615,694,890.83, 849,648,448.04 and 333,435,038.10

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Solution

The fourth proportional to 615,694,890.83, 849,648,448.04 and 333,435,038.10 is: 460,134,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,694,890.83 : 849,648,448.04 = 333,435,038.10 : x
  2. Step 2: Convert to fraction form
    615,694,890.83/849,648,448.04 = 333,435,038.10/x
  3. Step 3: Cross multiply
    615,694,890.83x = 849,648,448.04 × 333,435,038.10
  4. Step 4: Simplify right side
    615,694,890.83x = 283,302,562,642,156,096
  5. Step 5: Solve for x
    x = 283,302,562,642,156,096/615,694,890.83
  6. Step 6: Final answer
    x = 460,134,665.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.